public async Task Consume(ConsumeContext <CreateBurgerOrder> context)
{
using (var scope = new TransactionScope(TransactionScopeOption.Required, TransactionScopeAsyncFlowOption.Enabled))
{
if (await _orderIdRepository.ExistsAsync(context.Message.OrderId))
{
throw new ValidationException("Unable to create Order", new ValidationError(nameof(CreateBurgerOrder), $"Id '{context.Message.OrderId}' already exists"));
}
var orderAggregate = new Order(context.Message.OrderId, context.Message.CustomerId);
// Here we are doing 3 things:
// * persisting the aggregate
// * publishing domain events
// * and persisting order id.
// This is across multiple technologies (postgres, mongo, rabbitmq).
// We are concerned with data consistency.
await _orderEventsService.PersistAsync(orderAggregate);
await _orderIdRepository.CreateAsync(context.Message.OrderId);
scope.Complete();
}
}
public async Task Consume(ConsumeContext <CreateBurgerOrder> context)
{
using (var scope = new TransactionScope(TransactionScopeOption.Required, TransactionScopeAsyncFlowOption.Enabled))
{
if (await _orderIdRepository.ExistsAsync(context.Message.OrderId))
{
throw new ValidationException("Unable to create Order", new ValidationError(nameof(CreateBurgerOrder), $"Id '{context.Message.OrderId}' already exists"));
}
var orderAggregate = new Order(context.Message.OrderId);
await _orderEventsService.PersistAsync(orderAggregate);
await _orderIdRepository.CreateAsync(context.Message.OrderId);
scope.Complete();
}
}
